Digit (unit)
Ancient Egypt

Name
Egyptian name
Equivalent Egyptian values
Metric equivalent
Royal cubit
meh niswt
7 palms or 28 digits
525 mm
Fist
-
6 digits
108 mm
Hand
-
5 digits
94 mm
Palm
shesep
4 digits
75 mm
Digit
djeba
1/4 palm
19 mm

Question: What is the metric equivalent for the royal cubit and digit?
Answer: The royal cubit measured 525 mm and the ancient Egyptian digit was 19 mm.